Answers

Add 72/15 and 60/48

1^st number: 4 12/15, 2^nd number: 1 12/48

72/15 + 60/48 is 121/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   72/15 = 72 × 16/15 × 16 = 1152/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   60/48 = 60 × 5/48 × 5 = 300/240
4. Add the two like fractions:
   1152/240 + 300/240 = 1152 + 300/240 = 1452/240
5. 1452/240 simplified gives 121/20
6. So, 72/15 + 60/48 = 121/20
   In mixed form: 61/20

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